Added 9 October 2026 chem /kɛm/ noun Categories: Everyday Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about chem at Wordnik → Where our words come from → Clipping of chemistry (“branch of natural science”), usually referring to the subject or the department. Clipping of chemical. A chemical weapon. A recreational drug. A chemical weapon. adjective Clipping of chemical. chem plant; chem weapons Origin Clippings. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: chemistrychemicalchemicalsbiolnucleardyneanalbioengontarioagricbrennstoff Back to today's word